How can you express 499 to find the product 499 x 5 using mental math? explain

Question

Mathematics

Rubber

11 June, 23:19

How can you express 499 to find the product 499 x 5 using mental math? explain

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Answers (1)

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Gunnar Hobbs · Answer 1

We can write 499 as 499 = 500 - 1

Because it is easy to multiply 500 and 5 compare to 499 to 5.

So product of 499 * 5 = (500 - 1) * 5

= 500*5 - 1*5

= 2500 - 5 = 2495

So the answer is 2495.